18038357360 has 40 divisors (see below), whose sum is σ = 41952456240. Its totient is φ = 7213059072.

The previous prime is 18038357357. The next prime is 18038357429. The reversal of 18038357360 is 6375383081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231011 + ... + 299069.

It is an arithmetic number, because the mean of its divisors is an integer number (1048811406).

Almost surely, 2^18038357360 is an apocalyptic number.

18038357360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18038357360 is an abundant number, since it is smaller than the sum of its proper divisors (23914098880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18038357360 is a wasteful number, since it uses less digits than its factorization.

18038357360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71385 (or 71379 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 18038357360 in words is "eighteen billion, thirty-eight million, three hundred fifty-seven thousand, three hundred sixty".